For Direct Control of Line Voltage Valves and/or Blower Motors on Fan Coil Units Featuring Manual Changeover From Heat to Cool and a 3-Speed Fan Switch, Subbase Included FEATURES • Mounts to a standard vertical outlet box or on a two-gang outlet box. It may also be mounted on a 4” x 4” junction box with an adapter (not provided). • Wiring color coded for ease of installation. • 3-speed manual fan switch: High – Medium – Low. • System Switch: Heat – OFF – Cool. “OFF” breaks both valve and fan circuits. • Beige color.